Strontianite

Dravite

Strontianite Vs Dravite

Strontianite

Dravite

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Astrology

Origin

Southern and central Africa

Color

Colorless, White, Brown, Green, Greenish, gray

White, Colorless, Blue, Red, Green, Yellow, Violet, Black

Streak

White

Colorless

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.63-3.793.03-3.18

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, Irregular, Conchoidal

Cleavage

{110} Good

{???} Indistinct

Mohs Hardness

3.57-7.5

2 10

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Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous, Greasy

Vitreous

Pleochroism

Very strong: pale yellow colorless

Dispersion

0.040.02

0.005 1

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Transparency

Transparent

Refractive Index

1.517-1.6671.614-1.666

1 3.25

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Optic Character

Crystal System

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Birefringence

-99990.014-0.032

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Self-acceptance

Healing

Emotional healing

Qualities Associated

Harmony

Self-Exploration

Strontianite Vs Dravite Fracture

Fracture is an important parameter when you compare Strontianite and Dravite Physical Properties. It is necessary to understand the significance of these properties, before you compare Strontianite Vs Dravite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Strontianite is Uneven and Conchoidal. Dravite fracture is Uneven, Irregular and Conchoidal.

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Strontianite Vs Dravite Luster

A primary knowledge about Strontianite vs Dravite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Strontianite exhibits Vitreous and Greasy luster. Dravite, on other hand, exhibits Vitreous luster.